Question Factor the expression 2(45−θ) Evaluate 90−2θSolution 2(45−θ) Show Solution Find the roots θ=45 Evaluate 90−2θTo find the roots of the expression,set the expression equal to 0 90−2θ=0Move the constant to the right-hand side and change its sign −2θ=0−90Removing 0 doesn't change the value,so remove it from the expression −2θ=−90Change the signs on both sides of the equation 2θ=90Divide both sides 22θ=290Divide the numbers θ=290Solution More Steps Evaluate 290Reduce the numbers 145Calculate 45 θ=45 Show Solution